{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x983d2c6661015c286d32639d50f0d06f8add47c86e53d8d31699ed99ea38163e",
    "signature": "0xf44da0c8bb8fdfd0d45c229091a942bb7c3fe5ee231411da609406f7dd667fbe123290a0791a9d42782bc0a4fe60a036f7c41a00b278bb5e73a2fe4fa2f4f4d51b",
    "signer": "0xC4e201BEaDD3933E76e562c99f9F367Ced3f68d7",
    "userId": "533673360"
  }
}